Bug#850006: sddm: pam_systemd errors in auth.log
Package: sddm
Version: 0.13.0-1
Severity: normal
/etc/pam.d/{sddm,sddm-autologin,sddm-greeter} all have
"session required pam_systemd.so" and they all also include common-session
which has "session optional pam_systemd.so".
This leads to errors such as the following:
Jan 3 12:23:28 unicorn sddm-helper: pam_systemd(sddm-greeter:session): Cannot create session: Already running in a session
Jan 3 12:23:28 unicorn sddm-helper: pam_unix(sddm-greeter:session): session opened for user sddm by (uid=0)
Jan 3 12:23:28 unicorn sddm-helper: pam_systemd(sddm-greeter:session): Cannot create session: Already running in a session
Also why do you need to fail a login if a systemd session can't be established?
The maintainers of the common-session decided to make it optional, why does
it need to be required for sddm and if so wouldn't it need to be required for
other login daemons too?
-- System Information:
Debian Release: stretch/sid
APT prefers unstable
APT policy: (500, 'unstable')
Architecture: amd64 (x86_64)
Foreign Architectures: i386
Kernel: Linux 4.8.0-2-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_AU.UTF-8, LC_CTYPE=en_AU.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)
Versions of packages sddm depends on:
ii adduser 3.115
ii debconf [debconf-2.0] 1.5.59
ii libc6 2.24-8
ii libgcc1 1:6.3.0-2
ii libpam0g 1.1.8-3.4
ii libqt5core5a 5.7.1+dfsg-2
ii libqt5dbus5 5.7.1+dfsg-2
ii libqt5gui5 5.7.1+dfsg-2
ii libqt5network5 5.7.1+dfsg-2
ii libqt5qml5 5.7.1-1
ii libqt5quick5 5.7.1-1
ii libstdc++6 6.3.0-2
ii libsystemd0 232-8
ii libxcb-xkb1 1.12-1
ii libxcb1 1.12-1
ii qml-module-qtquick2 5.7.1-1
ii sddm-theme-breeze [sddm-theme] 4:5.8.4-1
Versions of packages sddm recommends:
ii libpam-systemd 232-8
Versions of packages sddm suggests:
pn libpam-kwallet5 <none>
-- debconf information:
sddm/daemon_name: /usr/bin/sddm
* shared/default-x-display-manager: sddm
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